The Optical Properties of Liquid Chalcogens at High Temperature and Pressure
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概要
- 論文の詳細を見る
The temperature and pressure variations of optical reflectivity of liquid S, Se, Te, Se_<80>Te_<20>, Se_<50>Te_<50>, and Se_<20>Te_<80> have been measured in the energy range between 0.5 and 5.4 eV. Optical conductivity σ(ω) has been derived by using an oscillator fitting analysis. The σ(ω) curve for liquid S and Se has a broad peak, which is assigned to the optical transition from the lone pair to the antibonding σ^* states on the adjacent site in the same chain. At high temperature and high pressure, there appears the Drude term in the σ(ω) curve of liquid Se. In this region, liquid Se is transformed from semiconducting to metallic state, which is accompanied by changes in the thermodynamic properties. The observed broad peak around 2 eV for liquid Te may suggest that the covalently bonded twofold structure remains on melting.
- 社団法人日本物理学会の論文
- 1994-04-15
著者
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YAO Makoto
Department of Physics, Graduate School of Science, Kyoto University
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Yamamoto I
Department Of Physics Yokohama National University
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YAMAMOTO Itsuro
Faculty of Education, Hirosaki University
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Yamamoto Itsuro
Department of Physics, Graduate School of Science, Kyoto University
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Ikemoto Hiroyuki
Department of Physics, Faculty of Science, Kyoto University
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Endo Hirohisa
Department of Physics, Faculty of Science, Kyoto University
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Yamamoto Itsuro
Department Of Physics Faculty Of Science Tohoku University
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Yao Makoto
Department Of Physics Faculty Of Science Kyoto University
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Endo H
Faculty Of Science Kyoto University
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Endo Hirohisa
Department Of Physics Faculty Of Science Kyoto University
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Endo Hirohisa
Department Of Physics Kyoto University
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Yamamoto I
Faculty Of Education Hirosaki University
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Ikemoto Hiroyuki
Department Of Pediatric Dentistry Osaka Dental University
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Yamamoto Ikuo
Department Of Physics Faculty Of Science Tokyo Institute Of Technology Oh-okayama
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Endo Hirohisa
Department Of Infection Control And Prevention University Of Tokyo Hospital
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